Chris Sale says he'd be willing to return to the Boston Red Sox as a reliever.

Sale has made 241 starts in his Major League career. The 33-year-old threw a live bullpen session on Monday, and is in line to throw another on Thursday at Fenway.

"For sure," Sale said regarding the bullpen. "I think, at this point, nothing really matters other than getting back out there."

Sale is working his way back from a stress fracture in his rib cage.